Is Brass Knuckles Legal in Washington? (2026)
No — Brass Knuckles are illegal in Washington as of 2026.
Quick Answer
Washington state law prohibits the manufacture, sale, or possession of brass knuckles under RCW 9.41.250. Possession is illegal except for law enforcement or military personnel, and sale or manufacture is prohibited.
What the Law Says
Washington law prohibits the possession of metal knuckles.
— Washington Revised Code § 9.41.250
| Category | Details |
|---|---|
| Possession | Illegal to possess except law enforcement or military. |
| Sale & Purchase | Illegal to sell or manufacture. |
| Penalties | Gross misdemeanor; punishable by up to 364 days in jail and fines. |
| Age Restriction | None (possession itself is prohibited). |
| Pending Legislation | None known |
Enforcement Reality
Local Exceptions
None identified. State law applies uniformly across Washington. Local ordinances may still vary — check with your city or county government for any additional rules.
Real-World Scenarios: Brass Knuckles in Washington
Can You Fly With Brass Knuckles Out of Washington?
Since brass knuckles is illegal in Washington, bringing it to the airport compounds your legal exposure. You're now dealing with both state law and federal jurisdiction. Don't do it.
Can You Cross State Lines With Brass Knuckles From Washington?
This is where people get burned. Washington treats brass knuckles as illegal, but neighboring Idaho treats it as restricted. The law changes at the state line — not gradually, not with a warning sign, instantly. "I bought it legally" is not a defense in the new state. Interstate highways near the Washington/Idaho border are known enforcement corridors. If you're driving with out-of-state plates in a state where brass knuckles is illegal, you're a target.
Bottom Line
Brass Knuckles are illegal in Washington. Possession or use can result in criminal charges. Do not assume enforcement is lax — penalties are real. Consult a licensed attorney if you have specific questions.
Washington vs. the Rest of the US
Across the US, carrying brass knuckles is fully legal in 2 states, restricted in 8, and illegal in 40. Washington falls in the ILLEGAL category.
View the full 50-state map →Body Armor Laws Guide
This topic is closely related to body armor and self-defense laws.
Reviewed by cross-referencing the cited state statute against current legislative databases and regulatory publications.
Sources & Verification
This page was reviewed by Ethan Harper by comparing the legal status against the cited state statute. AllowedHere is an informational resource and does not provide legal advice. Consult a licensed attorney for guidance specific to your situation.
Comprehensive Washington Legal Guides
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